Home / 987,144.32-1,480,716.68-356,058.06

Finding the Fourth Proportional to 987,144.32, 1,480,716.68 and 356,058.06

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Solution

The fourth proportional to 987,144.32, 1,480,716.68 and 356,058.06 is: 534,087.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,144.32 : 1,480,716.68 = 356,058.06 : x
  2. Step 2: Convert to fraction form
    987,144.32/1,480,716.68 = 356,058.06/x
  3. Step 3: Cross multiply
    987,144.32x = 1,480,716.68 × 356,058.06
  4. Step 4: Simplify right side
    987,144.32x = 527,221,108,490.44
  5. Step 5: Solve for x
    x = 527,221,108,490.44/987,144.32
  6. Step 6: Final answer
    x = 534,087.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.